US 12,256,363 B2
User equipment tracking and paging area selection in wireless communication systems
Åke Johansson, Pixbo (SE); Gang Sun, Hovås (SE); Jesper Derehag, Kareby (SE); Magnus Norlander, Gothenburg (SE); Mona Matti, Nacka (SE); and Jaesong Jeong, Solna (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Oct. 9, 2023, as Appl. No. 18/482,971.
Application 18/482,971 is a continuation of application No. 17/299,941, granted, now 11,818,684, previously published as PCT/EP2018/083955, filed on Dec. 7, 2018.
Prior Publication US 2024/0040544 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 68/00 (2009.01); H04W 36/32 (2009.01); H04W 60/04 (2009.01)
CPC H04W 68/005 (2013.01) [H04W 60/04 (2013.01); H04W 36/322 (2023.05)] 18 Claims
OG exemplary drawing
 
1. A method performed by a network node for paging a user equipment, UE, and/or for instructing potential target base stations for a base station to page the UE in a mobile communication network having a plurality of base stations serving respective base station coverage areas, the method comprising:
for each base station in the mobile communication network:
generating a list of the potential target base stations for instructing to page the UE, the list of potential target base stations comprising base stations to which a UE transition from the base station occurs within a predetermined time period, wherein generating the list of potential target base stations comprises generating a transition count for each potential target base station, the transition count comprising a count of transitions from the base station to the potential target base station within the predetermined time period;
determining a desired paging confidence level;
assembling a paging list by selecting a plurality of potential target base stations from the list of potential target base stations based on the desired paging confidence level and transition probabilities for each of the potential target base stations in the list of potential target base stations for a last known base station; and
transmitting a message to at least one of the potential target base stations of the paging list that includes instructions for the at least one of the potential target base stations to transmit a paging message to the UE.